Home / 177,858.40-266,787.60-169,985.20

Finding the Fourth Proportional to 177,858.40, 266,787.60 and 169,985.20

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Solution

The fourth proportional to 177,858.40, 266,787.60 and 169,985.20 is: 254,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,858.40 : 266,787.60 = 169,985.20 : x
  2. Step 2: Convert to fraction form
    177,858.40/266,787.60 = 169,985.20/x
  3. Step 3: Cross multiply
    177,858.40x = 266,787.60 × 169,985.20
  4. Step 4: Simplify right side
    177,858.40x = 45,349,943,543.52
  5. Step 5: Solve for x
    x = 45,349,943,543.52/177,858.40
  6. Step 6: Final answer
    x = 254,977.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.